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Igor Lvovsky
478d64fdae
In several cases when digging into kstats we can found two txgs in SYNC state, e.g. txg birth state nreserved nread nwritten ... 985452 258127184872561 C 0 373948416 2376272384 ... 985453 258129016180616 C 0 378173440 28793344 ... 985454 258129016271523 S 0 0 0 ... 985455 258130864245986 S 0 0 0 ... 985456 258130867458851 O 0 0 0 ... However only first txg (985454) is really syncing at this moment. The other one (985455) marked as SYNCED is actually in a post-QUIESCED state and waiting to start sync. So, the new TXG_STATE_WAIT_FOR_SYNC state between TXG_STATE_QUIESCED and TXG_STATE_SYNCED was added to reveal this situation. txg birth state nreserved nread nwritten ... 1086896 235261068743969 C 0 163577856 8437248 ... 1086897 235262870830801 C 0 280625152 822594048 ... 1086898 235264172219064 S 0 0 0 ... 1086899 235264936134407 W 0 0 0 ... 1086900 235264936296156 O 0 0 0 ... Signed-off-by: Igor Lvovsky <ilvovsky@gmail.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Issue #2075
Native ZFS for Linux!
ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.
ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers.
Full documentation for installing ZoL on your favorite Linux distribution can be found at: http://zfsonlinux.org